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USPTO Patent Rankings Data through Dec 31, 2025
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Raphaël Doudin — 2 Patents

SGSnf Group: 2 patents #12 of 33Top 40%
Bouthéon, FR: #10 of 18 inventorsTop 60%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Raphaël Doudin has been granted 2 US patents while listed as an inventor at Snf Group. The first was granted in 2023 and the most recent in November 2024. Raphaël Doudin ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Raphaël Doudin in Bouthéon, FR.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12145900 Process for filtering 2-acrylamido-2-methylpropane sulfonic acid Cédrick Favero, Johann KIEFFER, Benoît LEGRAS 2024-11-19
11802109 Method for the purification of acrylamido-2-methyl-2-propanesulphonic acid Cédrick Favero, Johann KIEFFER, Benoît LEGRAS 2023-10-31